Rock & Roll Library is a 501(c)3 nonprofit organization focused on preserving and presenting the history of popular music free online at RockLibrary.com via the Music Archive and music based education programs. RockLibrary.com is the Rock & Roll Library’s global platform for presenting the history of popular music. Through interactive tools and resources, fans from around the world are invited to explore music popularized in the US and UK beginning with the 20th Century. Through the Music Archive, a virtual encyclopedia containing millions of interlinking pages, visitors are allowed to discover connections between songs, artists, memorabilia and historical events including concerts, television appearances, tours and awards. Rock & Roll Library original Education programs integrate popular music into all areas of academic study. RRL provides teacher resources including the song index, a tool for identifying songs related to particular subjects, free downloadable lesson plans and programming.